SV40 Was the First Virus Used to Express a Foreign

question 23

Multiple Choice

SV40 was the first virus used to express a foreign protein in a cultured cell.But SV40 has which of the following limitations?

• A) The small genome can only accommodate a small gene.
• B) It can only infect monkey cells.
• C) It does not integrate its genome into the host cell genome.
• D) It replicates very slowly.
• E) It does not have a strong promoter/enhancer for gene expression.

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